Home / 11,126.39-15,353.82-6,089.63

Finding the Fourth Proportional to 11,126.39, 15,353.82 and 6,089.63

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Solution

The fourth proportional to 11,126.39, 15,353.82 and 6,089.63 is: 8,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.39 : 15,353.82 = 6,089.63 : x
  2. Step 2: Convert to fraction form
    11,126.39/15,353.82 = 6,089.63/x
  3. Step 3: Cross multiply
    11,126.39x = 15,353.82 × 6,089.63
  4. Step 4: Simplify right side
    11,126.39x = 93,499,006.12
  5. Step 5: Solve for x
    x = 93,499,006.12/11,126.39
  6. Step 6: Final answer
    x = 8,403.36

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Half scale
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Double scale
Find fourth proportional to 11,127.39, 15,355.20 and 6,090.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.